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. Author manuscript; available in PMC: 2022 Aug 1.
Published in final edited form as: Autism. 2021 Apr 28;25(6):1694–1708. doi: 10.1177/13623613211001611

Table 1:

Baseline characteristics of participants by ethnicity

Total
(n=339)
Hispanic
(n=96)
Non-Hispanic
(n=243)
Variable Mean (SD) Mean (SD) Mean (SD) F df p-value
Parent Age (years) 30.87 (6.99) 29.00 (6.00) 31.62 (7.22) 1.36 1, 333 .245
Child Age (months) 21.55 (3.49) 21.22 (3.50) 21.67 (3.48) 0.03 1, 337 .872
Frequency (%) Frequency (%) Frequency (%) χ2 p-value
Participating Parent/Guardian 2.41 2 .300
 Mother 304 (89.7%) 90 (93.8%) 214 (88.1%)
 Father 24 (7.1%) 4 (4.2%) 20 (8.2%)
 Other/Legal Guardian 11 (3.2%) 2 (2.1%) 9 (3.7%)
Preferred Language 115.25 2 <.001
 English 278 (82.0%) 54 (56.3%) 224 (92.2%)
 Spanish 44 (13.0%) 42 (43.8%) 2 (0.8%)
 Other 17 (5.0%) 0 (0%) 19 (7.8%)
Parent Race 195.46 5 <.001
 Black or African American 192 (60.4%) 7 (8.2%) 185 (79.4%)
 White 40 (12.6%) 21 (24.7%) 19 (8.2%)
 Asian 19 (6.0%) 0 (0.0%) 19 (8.2%)
 American Indian/Alaska Native 2 (0.6%) 2 (2.4%) 0 (0.0%)
 More than one race 15 (4.7%) 9 (2.3%) 6 (2.6%)
 Not reported 50 (15.7%) 46 (54.1%) 4 (1.7%)
Parent Born outside the US 211 (62.4%) 56 (58.3%) 72 (29.6%) 23.26 1 <.001
Currently Working Outside Home 180 (53.1%) 43 (44.8%) 137 (56.4%) 3.71 1 .054
Parent Education 12.05 3 .007
 Less than High School/no GED 53 (15.7%) 24 (25.0%) 29 (12.0%)
 High School Degree or GED 222 (65.7%) 60 (62.5%) 162 (66.9%)
 Bachelors/Associates degree 53 (15.7%) 11 (11.5%) 41 (16.9%)
 Graduate Degree 9 (2.7%) 0 (0.0%) 9 (3.7%)
Child Sex (male) 239 (70.5%) 68 (70.8%) 171 (70.4%) 0.01 1 .933
Insurance (Child) 0.17 1 .684
 Public Insurance (Medicaid) 311 (91.7%) 89 (92.7%) 222 (91.4%)
 Private or Other 28 (8.3%) 7 (7.3%) 21 (8.6%)
Child Receiving EI 152 (45.1%) 46 (47.9%) 106 (44.0%) 0.43 1 .513
Child Gestational Age <37 weeks 49 (14.5%) 9 (9.4%) 40 (16.5%) 2.79 1 .095

Note. Missing data: Parent Age (n=335); Parent Race/Ethnicity (n=318); Parent Born in US (n=338); Highest Education Completed (n=337); Child Receiving EI (n=337).